The operon is effectively the center of transcriptional control. In addition to its main structural genes, the operon houses an operator and a promoter. In front of the promoter lies a regulatory gene that produces repressor proteins. When a repressor is in its active state, it binds to the operator.
Hope this helped.
the answer is pioneer species
Answer:
about nine mouths hope this helps
Explanation:
1. B blood type that is a multiple allele trait
2. A height from short to tall that is a polygenic trait
